【多选题】对一些企业按计划完成程度不同分为三组:第一组为80%-100%,第二组为100%-120%,第三组为120%以上,则会:
A.
若将上述各组组别及次数依次排列,就是变量分布数列
B.
该数列的变量属于连续变量,所以相邻组的组限必须重迭
D.
各组的上限分别为80%、100%、120%,某企业计划完成100%应归第一组
E.
各组的下限分别为80%、100%、120%,某企业计划完成100%应归第二组
【判断题】BGP 是自治系统内部的路由器之间交换路由信息的协议。
【单选题】抽真空可以使容器中的水在室温下沸腾,这是由于
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